Home / 26,923.34-40,393.12-19,443.80

Finding the Fourth Proportional to 26,923.34, 40,393.12 and 19,443.80

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Solution

The fourth proportional to 26,923.34, 40,393.12 and 19,443.80 is: 29,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.34 : 40,393.12 = 19,443.80 : x
  2. Step 2: Convert to fraction form
    26,923.34/40,393.12 = 19,443.80/x
  3. Step 3: Cross multiply
    26,923.34x = 40,393.12 × 19,443.80
  4. Step 4: Simplify right side
    26,923.34x = 785,395,746.66
  5. Step 5: Solve for x
    x = 785,395,746.66/26,923.34
  6. Step 6: Final answer
    x = 29,171.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.